sa_handler
sa_mask
sa_flags
sa_sigaction

kill
killpg
psiginfo
psignal
pthread_kill
pthread_sigmask
raise

sigaction
sigaddset
sigaltstack
sigdelset
sigemptyset
sigfillset
sighold
sigignore
siginterrupt
sigismember
sigpause
sigpending
sigprocmask
sigqueue
sigsuspend
sigtimedwait
sigwait
sigwaitinfo
